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双折射材料的温度修正 Birefringent Material Temperature Modification 6f,#O8]#5 oRFHq>-.g 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: *i|O!h1St N(q%|h<Z/= 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline ,pE{N&p9 = q9>~E{} 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline }&sF
\b jv<BGr=4; 3.Loop over the baseline material samples and determine the number of wavelength entries \_}Y4 w G[X*/v 4.Loop over each sampled wavelength entry in the baseline material YbB8D- b/cc\d < a.Modify the ordinary and extraordinary refractive index values using (2) above }+G6` Zd SjV;&
1Z/ b.Apply the modified values to the non-baseline material tNg}:a|J Zc(uK{3W- 5.Set a description on the non-baseline material indicating the temperature change from baseline Q4\EI=4P] j:B?0~= 脚本编程及GUI例程请下载链接: w^EAk(77 S{gB~W http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs \M(0@#-$C $Q*h+)g< http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd PCDsj_e >Pj ?IE6 fa9c!xDt QQ:2987619807 Fl<|/DCg
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